#include <54func.h>
int main(int argc,char *argv[])
{
    // ./16_close_pipe_read.c 1.pipe
    ARGS_CHECK(argc,2);
    int fdr = open(argv[1],O_RDONLY);
    ERROR_CHECK(fdr,-1,"open");
    printf("read side is opened!\n");
    close(fdr);
    printf("read over!\n");
    return 0;
}
